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Diffstat (limited to 'firmware/lib/cryptolib/sha_utility.c')
-rw-r--r--firmware/lib/cryptolib/sha_utility.c118
1 files changed, 0 insertions, 118 deletions
diff --git a/firmware/lib/cryptolib/sha_utility.c b/firmware/lib/cryptolib/sha_utility.c
deleted file mode 100644
index 38bce14d..00000000
--- a/firmware/lib/cryptolib/sha_utility.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Utility functions for message digest functions.
- */
-
-#include "sysincludes.h"
-
-#include "cryptolib.h"
-#include "utility.h"
-#include "vboot_api.h"
-
-void DigestInit(DigestContext* ctx, int sig_algorithm) {
- ctx->algorithm = hash_type_map[sig_algorithm];
- switch(ctx->algorithm) {
-#ifndef CHROMEOS_EC
- case SHA1_DIGEST_ALGORITHM:
- ctx->sha1_ctx = (SHA1_CTX*) VbExMalloc(sizeof(SHA1_CTX));
- SHA1_init(ctx->sha1_ctx);
- break;
-#endif
- case SHA256_DIGEST_ALGORITHM:
- ctx->sha256_ctx = (VB_SHA256_CTX*) VbExMalloc(sizeof(VB_SHA256_CTX));
- SHA256_init(ctx->sha256_ctx);
- break;
-#ifndef CHROMEOS_EC
- case SHA512_DIGEST_ALGORITHM:
- ctx->sha512_ctx = (VB_SHA512_CTX*) VbExMalloc(sizeof(VB_SHA512_CTX));
- SHA512_init(ctx->sha512_ctx);
- break;
-#endif
- };
-}
-
-void DigestUpdate(DigestContext* ctx, const uint8_t* data, uint32_t len) {
- switch(ctx->algorithm) {
-#ifndef CHROMEOS_EC
- case SHA1_DIGEST_ALGORITHM:
- SHA1_update(ctx->sha1_ctx, data, len);
- break;
-#endif
- case SHA256_DIGEST_ALGORITHM:
- SHA256_update(ctx->sha256_ctx, data, len);
- break;
-#ifndef CHROMEOS_EC
- case SHA512_DIGEST_ALGORITHM:
- SHA512_update(ctx->sha512_ctx, data, len);
- break;
-#endif
- };
-}
-
-uint8_t* DigestFinal(DigestContext* ctx) {
- uint8_t* digest = NULL;
- switch(ctx->algorithm) {
-#ifndef CHROMEOS_EC
- case SHA1_DIGEST_ALGORITHM:
- digest = (uint8_t*) VbExMalloc(SHA1_DIGEST_SIZE);
- Memcpy(digest, SHA1_final(ctx->sha1_ctx), SHA1_DIGEST_SIZE);
- VbExFree(ctx->sha1_ctx);
- break;
-#endif
- case SHA256_DIGEST_ALGORITHM:
- digest = (uint8_t*) VbExMalloc(SHA256_DIGEST_SIZE);
- Memcpy(digest, SHA256_final(ctx->sha256_ctx), SHA256_DIGEST_SIZE);
- VbExFree(ctx->sha256_ctx);
- break;
-#ifndef CHROMEOS_EC
- case SHA512_DIGEST_ALGORITHM:
- digest = (uint8_t*) VbExMalloc(SHA512_DIGEST_SIZE);
- Memcpy(digest, SHA512_final(ctx->sha512_ctx), SHA512_DIGEST_SIZE);
- VbExFree(ctx->sha512_ctx);
- break;
-#endif
- };
- return digest;
-}
-
-uint8_t* DigestBuf(const uint8_t* buf, uint64_t len, int sig_algorithm) {
- /* Allocate enough space for the largest digest */
- uint8_t* digest = (uint8_t*) VbExMalloc(SHA512_DIGEST_SIZE);
- /* Define an array mapping [sig_algorithm] to function pointers to the
- * SHA{1|256|512} functions.
- */
- typedef uint8_t* (*Hash_ptr) (const uint8_t*, uint64_t, uint8_t*);
- Hash_ptr hash[] = {
-#ifdef CHROMEOS_EC
- 0, /* RSA 1024 */
- 0,
- 0,
- 0, /* RSA 2048 */
- 0,
- 0,
- 0, /* RSA 4096 */
- internal_SHA256,
- 0,
- 0, /* RSA 8192 */
- 0,
- 0,
-#else
- internal_SHA1, /* RSA 1024 */
- internal_SHA256,
- internal_SHA512,
- internal_SHA1, /* RSA 2048 */
- internal_SHA256,
- internal_SHA512,
- internal_SHA1, /* RSA 4096 */
- internal_SHA256,
- internal_SHA512,
- internal_SHA1, /* RSA 8192 */
- internal_SHA256,
- internal_SHA512,
-#endif
- };
- /* Call the appropriate hash function. */
- return hash[sig_algorithm](buf, len, digest);
-}